Top Tech Jobs & Startup Jobs in London

Develop and maintain React web applications for trade execution, portfolio management, and risk analysis. Build features with strong test coverage, collaborate across the technology stack, conduct code reviews, improve UI and UX, and contribute to architecture decisions. Work with real-time data, WebSockets, monorepo tooling, state management, monitoring, and AI-assisted development workflows. The role also involves REST and OpenAPI integration, automated testing, and performance improvements for data-intensive interfaces.

Develop and deliver full-stack Python enhancements for the Validus Horizon financial risk platform. Responsibilities include backend services, APIs, data pipelines, ETL integrations, frontend components, performance improvements, technical scoping, stakeholder collaboration, client presentations, and mentoring. The role requires ownership of concurrent initiatives and translating financial and operational requirements into scalable, reliable solutions.

Maintain financial records, ledgers, invoices, payments, reconciliations, credit cards, asset registers, and accounts payable and receivable. Support month-end and year-end close, payroll, VAT and regulatory returns, audits, and compliance with FCA regulations. The role assists the Senior Financial Controller while providing development alongside professional accounting studies.

Maintain financial records, ledgers, invoices, payments, credit cards, reconciliations, and asset registers. Support month-end and year-end close, VAT and regulatory returns, payroll processing, audits, accounts payable and receivable, and compliance with FCA rules and internal policies while assisting the Senior Financial Controller.

Drive new client acquisition across EMEA (mainland Europe and UK) by originating and managing deals, coordinating with lead origination, marketing and delivery teams, supporting early-stage client relationships, contributing to sales strategy, and achieving revenue targets.

Support end-to-end client and counterparty onboarding, coordinate KYC/AML documentation, maintain client static/reference data, assist product and market enablement, and help pre-trade control checks to ensure straight-through processing and timely trade enablement.

Design, implement, and deliver full-stack features for the Validus Horizon platform. Build and maintain ETL/data pipelines and integrations, own small-to-medium projects, improve system performance and scalability, collaborate with stakeholders and clients, mentor team members, and present technical solutions and roadmaps to drive product and client success.